2058. Chimaphilin

Nomenclature

CAS number: 482-70-2
2,7-Dimethyl-1,4-naphthalenedione; 2,7-dimethyl-1,4-naphthoquinone.
C12H10O2; mol wt 186.21.
C 77.40%, H 5.41%, O 17.18%.

Description and references

From Chimaphila carymbosa Pursh. and Pyrola incarnata (Fisch.) Fernald, Ericaceae: DiModica et al., Gazz. Chim. Ital. 83, 393 (1953); Inouye, J. Pharm. Soc. Jpn. 76, 976 (1956). Structure: DiModica, Tira, Gazz. Chim. Ital. 86, 234 (1956).

Chemical structure

Properties

Yellow needles, mp 113.5-114.5°. uv max (alc): 233, 256, 339 nm. Polymerizes in sunlight to needles, mp 232-233°.

Derivative

Diacetate.

Properties

Crystals from ethanol + water, mp 90.5-91.5°.